Wallace was 10,000 miles away in the East Indies. And Darwin was ill and devastated by the death, a few days earlier, of his infant son. So he was still at his home in Kent.
Wallace 10.000 mil di Hindia Timur, dan Darwin sedang sakit dan hancur oleh kematian Beberapa hari sebelumnya anak bayi nya, jadi dia masih di rumahnya di Kent.